Electric socket



May 2, 1933. w. R. SHUGERT ELECTRIC SOCKET Filed- Oct. 29, v1951 m m m Patented May 2, 1933. v v

UNITED STATES PATENT oFFicE WALTER R. SHUGERT, OF HUNTINGDON, IPENN'SYLVANIA ELECTRIC sooxn'r Application filed October 29, 1931. Serial No. 571,899.

The invention relates to certain new and Vided in a flange 16 form-ed at theinner end useful improvements in electric sockets and of a metallic sleeve 17 that is arranged withthe primary object of this invention is to in the recess 6, and is corrugated or other-' provide a socket of the character above menwise formed to provide screw threads 18. v

tioned that is exceedingly simple in con- As'is thought apparent, the threadedsleeve struction, can be manufactured and sold at 17 serves to couple a plug on one end of a a nominal cost, is pleasing in appearance and second electric cord, with the plug of my is otherwise well adapted for the purpose invention or to electrically connect the intended. threaded stem of an electric bulb with the The invent-ion consists in the novel form, socket of my invention, it being apparent 0 construction and arrangement of parts shown that the stem of the electric bulb will be in the accompanying drawing, herein dethreaded axially and inwardly of the sleeve scribed in detail, and particularly pointed out 18 so that the contact member of the bulb in the appended claim. will engage the spring contact 15.

In the drawing: From the foregoing it will be seen that I 5 Figure 1 is an elevational view of the have devised a simple and inexpensive elecsocket. trio plug, and to disassemble the parts of Figure 2 is a longitudinal sectional view the same it is apparent that cap 9 may be therethrough. easily removed from the body, and the eye- Figure 3 is a bottom plan view of the bolts 13 rotated so as to disengage the re-: socket. spective eye bolts from the contact 15 and With reference more in detail to the drawthe sleeve 18 whereby said sleeve and coning, it will be seen that the socket comprises tact may be removed from the recess 6. Mana substantially cylindrical body 5 provided ifestly the parts may be readily reassembled,

5 at one end with an axial recess or socket 6, sleeve 18 and contact member 15 being first 7 5 and at a relatively opposite end with a reproperly positioned in the socket, after'which duced threaded portion or pin 8. A domethe eye bolts 13 may pass through the body shaped cap 9 is also provided and the same threadedly engaged with the contact 15 and is internally threaded for threaded reccpsleeve 18 respectively, the wires 12 of the 30 tion of the pin 8. Preferably, the body 5 cord 11 being connected with the eyes of the-go and the cap 9 are formed from the same maeye bolt and finally the cap 9 shifted lonterial, and preferably of a suitable composigitudinally relative to the cord 11 and then tion. screwed on to the end or stem 8 of the body The cap 9 in the top thereof is provided completing the assembly. with an opening 10 through which is passed To hold cap 9 and body 5 against casual .85 into the cap, one end of an electric cord 11 rotation relative to one another, pins 7 have and the wires 12 of the cord are secured to headed ends embedded within the cap, and the eyes of eye bolts 13 that extend longifree end portions arranged to engage the tudinally through the solid portion of the body 5. body and serve as binding posts. At their Even though I have herein shown and defree ends, the eye bolts 13 extend into the scribed the preferred embodiment of the insocket or recess 6, and at said end are threadvention, it is to be understood that the same ed. The threaded end of one of the eye bolts is susceptible of further changes, modificahas screwed thereto the shank or plate portions and improvements coming within the tion 14 of a resilient contact member 15, the scope of the appended claim. contact member 15 being formed of resilient Having thus described my invention, what metal and preferably bent upon itself some- I claim asnew is:

what in the form of a U. An electrical socket comprising a substan- The threaded end of the remaining eye tially cylindrical body of composition ma- 50 bolt 13 is threaded through an aperture proterial having at one end a socket chamber,

and at a relatively opposite end being reduced in diameter and externally threaded to provide a pin, a pair of terminal bolts extending through the body and having threaded ends'terminating within said socket chamber, a threaded sleeve of conducting material arranged in the socket chamber and provided at one end with a flange having an aperture with which is threadedly engaged one of said terminal bolts, a substantially Q;

shaped spring contact member having an apertured portion threadedly engaged with the other of said bolts and arranged at the inner end of said socket, anda dome-shaped cap of composition material provided with internal threads and having screw threaded engagement with said pin, said contact bolts having heads extending interiorly of said cap, and said cap having an aperture in the top thereof to accommodate an electric cord.

In testimony whereof I aifix my signature.

WALTER R. SHUGERT. 

